[INFO] cloning repository https://github.com/bibinthomas123/Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bibinthomas123/Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbibinthomas123%2FCompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbibinthomas123%2FCompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0754beb60bc630d6c34fcf57e6daff82a1c6d67
[INFO] linting bibinthomas123/Compiler against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbibinthomas123%2FCompiler" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bibinthomas123/Compiler
[INFO] finished tweaking git repo https://github.com/bibinthomas123/Compiler
[INFO] tweaked toml for git repo https://github.com/bibinthomas123/Compiler written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bibinthomas123/Compiler on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bibinthomas123/Compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82100e578324b1bc081b5fe47ba1f410bb7b5b8bfdf8de3f205ecf4780981fd
[INFO] running `Command { std: "docker" "start" "-a" "e82100e578324b1bc081b5fe47ba1f410bb7b5b8bfdf8de3f205ecf4780981fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82100e578324b1bc081b5fe47ba1f410bb7b5b8bfdf8de3f205ecf4780981fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82100e578324b1bc081b5fe47ba1f410bb7b5b8bfdf8de3f205ecf4780981fd", kill_on_drop: false }`
[INFO] [stdout] e82100e578324b1bc081b5fe47ba1f410bb7b5b8bfdf8de3f205ecf4780981fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 125dc3d4166d6b8ca4010a2e2065c1ff35f53e86f7f0a7317bd069699087a3d5
[INFO] running `Command { std: "docker" "start" "-a" "125dc3d4166d6b8ca4010a2e2065c1ff35f53e86f7f0a7317bd069699087a3d5", kill_on_drop: false }`
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking fusion-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `IdxVec<Index, T>`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn new() -> Self {
[INFO] [stdout] 37 | |         Self {
[INFO] [stdout] 38 | |             vec: vec![],
[INFO] [stdout] 39 | |             _marker: std::marker::PhantomData,
[INFO] [stdout] 40 | |         }
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 35 + impl<Index, T> Default for IdxVec<Index, T>
[INFO] [stdout] 36 + where Index: Idx
[INFO] [stdout] 37 +  {
[INFO] [stdout] 38 +     fn default() -> Self {
[INFO] [stdout] 39 +         Self::new()
[INFO] [stdout] 40 +     }
[INFO] [stdout] 41 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         return Index::new(next_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -         return Index::new(next_index);
[INFO] [stdout] 46 +         Index::new(next_index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         return &self[index];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 70 -         return &self[index];
[INFO] [stdout] 70 +         &self[index]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         return &self.vec[index.as_index()];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 78 -         return &self.vec[index.as_index()];
[INFO] [stdout] 78 +         &self.vec[index.as_index()]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         return &mut self.vec[index.as_index()];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         return &mut self.vec[index.as_index()];
[INFO] [stdout] 84 +         &mut self.vec[index.as_index()]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `IdxVec<Index, T>`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn new() -> Self {
[INFO] [stdout] 37 | |         Self {
[INFO] [stdout] 38 | |             vec: vec![],
[INFO] [stdout] 39 | |             _marker: std::marker::PhantomData,
[INFO] [stdout] 40 | |         }
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 35 + impl<Index, T> Default for IdxVec<Index, T>
[INFO] [stdout] 36 + where Index: Idx
[INFO] [stdout] 37 +  {
[INFO] [stdout] 38 +     fn default() -> Self {
[INFO] [stdout] 39 +         Self::new()
[INFO] [stdout] 40 +     }
[INFO] [stdout] 41 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         return Index::new(next_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -         return Index::new(next_index);
[INFO] [stdout] 46 +         Index::new(next_index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         return &self[index];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 70 -         return &self[index];
[INFO] [stdout] 70 +         &self[index]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         return &self.vec[index.as_index()];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 78 -         return &self.vec[index.as_index()];
[INFO] [stdout] 78 +         &self.vec[index.as_index()]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         return &mut self.vec[index.as_index()];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         return &mut self.vec[index.as_index()];
[INFO] [stdout] 84 +         &mut self.vec[index.as_index()]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/ast/mod.rs:797:47
[INFO] [stdout]     |
[INFO] [stdout] 797 |         fn visit_string_expression(&mut self, ast: &mut Ast, string: &StringExpr, _expr: &Expr) {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         c.is_digit(10)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:308:16
[INFO] [stdout]     |
[INFO] [stdout] 308 |             if c.is_digit(10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> src/ast/lexer.rs:350:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             float_literal as f64
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: try: `float_literal`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:359:16
[INFO] [stdout]     |
[INFO] [stdout] 359 |             if c.is_digit(10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:372:20
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 if c.is_digit(10) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for cloning elements
[INFO] [stdout]   --> src/ast/parser.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |               tokens: tokens.iter().filter(
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 47 | |                 |token| token.kind != TokenKind::Whitespace
[INFO] [stdout] 48 | |             ).map(|token| token.clone()).collect(),
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]    = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] help: consider calling the dedicated `cloned` method
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             tokens: tokens.iter().filter(
[INFO] [stdout] 47 +                 |token| token.kind != TokenKind::Whitespace
[INFO] [stdout] 48 ~             ).cloned().collect(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/ast/parser.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |         while let Some(_) = self.next_item().map(|stmt| stmt.id) {}
[INFO] [stdout]    |         ----------^^^^^^^--------------------------------------- help: try: `while self.next_item().map(|stmt| stmt.id).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/ast/parser.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         if self.current().kind == TokenKind::Identifier {
[INFO] [stdout] 244 | |             if self.peek(1).kind == TokenKind::Equals {
[INFO] [stdout] 245 | |                 let identifier = self.consume_and_check(TokenKind::Identifier).clone();
[INFO] [stdout] 246 | |                 let equals = self.consume_and_check(TokenKind::Equals).clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 243 ~         if self.current().kind == TokenKind::Identifier
[INFO] [stdout] 244 ~             && self.peek(1).kind == TokenKind::Equals {
[INFO] [stdout] 245 |                 let identifier = self.consume_and_check(TokenKind::Identifier).clone();
[INFO] [stdout] ...
[INFO] [stdout] 248 |                 return self.ast.assignment_expression(identifier, equals, expr).id;
[INFO] [stdout] 249 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/ast/parser.rs:271:20
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 if !greater_precedence && !(equal_precedence && inner_operator.associativity() == BinOpAssociativity::Right) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(greater_precedence || equal_precedence && inner_operator.associativity() == BinOpAssociativity::Right)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/ast/evaluator.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 |               .expect(
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 214 | |                 format!(
[INFO] [stdout] 215 | |                     "Function '{}' not found",
[INFO] [stdout] 216 | |                     call_expression.callee.span.literal
[INFO] [stdout] 217 | |                 )
[INFO] [stdout] 218 | |                 .as_str(),
[INFO] [stdout] 219 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 213 ~             .unwrap_or_else(|| panic!("Function '{}' not found",
[INFO] [stdout] 214 ~                     call_expression.callee.span.literal));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/ast/evaluator.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 246 |                   .expect(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 247 | |                     format!(
[INFO] [stdout] 248 | |                         "Variable {} '{}' not found",
[INFO] [stdout] 249 | |                         var_expr.variable_idx.as_index(),
[INFO] [stdout] ...   |
[INFO] [stdout] 252 | |                     .as_str(),
[INFO] [stdout] 253 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 246 ~                 .unwrap_or_else(|| panic!("Variable {} '{}' not found",
[INFO] [stdout] 247 +                         var_expr.variable_idx.as_index(),
[INFO] [stdout] 248 +                         identifier))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/ast/visitor.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 self.visit_while_statement(ast, &stmt);
[INFO] [stdout]    |                                                 ^^^^^ help: change this to: `stmt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/ast/visitor.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 self.visit_return_statement(ast, &stmt);
[INFO] [stdout]    |                                                  ^^^^^ help: change this to: `stmt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/ast/visitor.rs:111:44
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 self.visit_block_expr(ast, &block_expr, &expression);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: change this to: `block_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/ast/printer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.result.push_str(" ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push(' ')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/ast/printer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         self.result.push_str("
[INFO] [stdout] 25 | | ");
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] help: consider using `push` with a character literal
[INFO] [stdout]    |
[INFO] [stdout] 24 ~         self.result.push('
[INFO] [stdout] 25 ~ ');
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]    --> src/ast/mod.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn visualize(&mut self) -> () {
[INFO] [stdout]     |                                ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]     = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]    --> src/ast/mod.rs:219:1
[INFO] [stdout]     |
[INFO] [stdout] 219 | / pub enum ItemKind {
[INFO] [stdout] 220 | |     Stmt(StmtId),
[INFO] [stdout]     | |     ------------ the second-largest variant contains at least 8 bytes
[INFO] [stdout] 221 | |     Function(FunctionDeclaration),
[INFO] [stdout]     | |     ----------------------------- the largest variant contains at least 296 bytes
[INFO] [stdout] 222 | | }
[INFO] [stdout]     | |_^ the entire enum is at least 296 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]     = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]     |
[INFO] [stdout] 221 -     Function(FunctionDeclaration),
[INFO] [stdout] 221 +     Function(Box<FunctionDeclaration>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         c.is_digit(10)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:308:16
[INFO] [stdout]     |
[INFO] [stdout] 308 |             if c.is_digit(10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> src/ast/lexer.rs:350:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             float_literal as f64
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: try: `float_literal`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:359:16
[INFO] [stdout]     |
[INFO] [stdout] 359 |             if c.is_digit(10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/ast/lexer.rs:372:20
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 if c.is_digit(10) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for cloning elements
[INFO] [stdout]   --> src/ast/parser.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |               tokens: tokens.iter().filter(
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 47 | |                 |token| token.kind != TokenKind::Whitespace
[INFO] [stdout] 48 | |             ).map(|token| token.clone()).collect(),
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]    = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] help: consider calling the dedicated `cloned` method
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             tokens: tokens.iter().filter(
[INFO] [stdout] 47 +                 |token| token.kind != TokenKind::Whitespace
[INFO] [stdout] 48 ~             ).cloned().collect(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/ast/parser.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |         while let Some(_) = self.next_item().map(|stmt| stmt.id) {}
[INFO] [stdout]    |         ----------^^^^^^^--------------------------------------- help: try: `while self.next_item().map(|stmt| stmt.id).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/ast/parser.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         if self.current().kind == TokenKind::Identifier {
[INFO] [stdout] 244 | |             if self.peek(1).kind == TokenKind::Equals {
[INFO] [stdout] 245 | |                 let identifier = self.consume_and_check(TokenKind::Identifier).clone();
[INFO] [stdout] 246 | |                 let equals = self.consume_and_check(TokenKind::Equals).clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 243 ~         if self.current().kind == TokenKind::Identifier
[INFO] [stdout] 244 ~             && self.peek(1).kind == TokenKind::Equals {
[INFO] [stdout] 245 |                 let identifier = self.consume_and_check(TokenKind::Identifier).clone();
[INFO] [stdout] ...
[INFO] [stdout] 248 |                 return self.ast.assignment_expression(identifier, equals, expr).id;
[INFO] [stdout] 249 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/ast/parser.rs:271:20
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 if !greater_precedence && !(equal_precedence && inner_operator.associativity() == BinOpAssociativity::Right) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(greater_precedence || equal_precedence && inner_operator.associativity() == BinOpAssociativity::Right)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/diagnostics/printer.rs:39:70
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let (prefix, span, suffix) = self.get_text_spans(diagnostic, &line, column);
[INFO] [stdout]    |                                                                      ^^^^^ help: change this to: `line`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `str::repeat` using iterators
[INFO] [stdout]   --> src/diagnostics/printer.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let arrow_pointers = format!("{:indent$}{}", "", std::iter::repeat(
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 53 | |             '^'
[INFO] [stdout] 54 | |         ).take(
[INFO] [stdout] 55 | |             diagnostic.span.length()
[INFO] [stdout] 56 | |         ).collect::<String>(), indent = indent);
[INFO] [stdout]    | |_____________________________^ help: try: `"^".repeat(diagnostic.span.length())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_str_repeat
[INFO] [stdout]    = note: `#[warn(clippy::manual_str_repeat)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `repeat().take()` can be written more concisely
[INFO] [stdout]   --> src/diagnostics/printer.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let arrow_pointers = format!("{:indent$}{}", "", std::iter::repeat(
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 53 | |             '^'
[INFO] [stdout] 54 | |         ).take(
[INFO] [stdout] 55 | |             diagnostic.span.length()
[INFO] [stdout] 56 | |         ).collect::<String>(), indent = indent);
[INFO] [stdout]    | |_________^ help: consider using `repeat_n()` instead: `std::iter::repeat_n('^', diagnostic.span.length())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_repeat_n
[INFO] [stdout]    = note: `#[warn(clippy::manual_repeat_n)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/ast/evaluator.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 |               .expect(
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 214 | |                 format!(
[INFO] [stdout] 215 | |                     "Function '{}' not found",
[INFO] [stdout] 216 | |                     call_expression.callee.span.literal
[INFO] [stdout] 217 | |                 )
[INFO] [stdout] 218 | |                 .as_str(),
[INFO] [stdout] 219 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 213 ~             .unwrap_or_else(|| panic!("Function '{}' not found",
[INFO] [stdout] 214 ~                     call_expression.callee.span.literal));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/ast/evaluator.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 246 |                   .expect(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 247 | |                     format!(
[INFO] [stdout] 248 | |                         "Variable {} '{}' not found",
[INFO] [stdout] 249 | |                         var_expr.variable_idx.as_index(),
[INFO] [stdout] ...   |
[INFO] [stdout] 252 | |                     .as_str(),
[INFO] [stdout] 253 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 246 ~                 .unwrap_or_else(|| panic!("Variable {} '{}' not found",
[INFO] [stdout] 247 +                         var_expr.variable_idx.as_index(),
[INFO] [stdout] 248 +                         identifier))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/diagnostics/mod.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.report_error(format!("Cannot use 'return' outside of function"), token.span.clone());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Cannot use 'return' outside of function".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/diagnostics/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.report_error(format!("Cannot use 'rec' outside of function"), token.span.clone());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Cannot use 'rec' outside of function".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/text/span.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         spans.sort_by(
[INFO] [stdout] 16 | |             |a, b| a.start.cmp(&b.start)
[INFO] [stdout] 17 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 15 -         spans.sort_by(
[INFO] [stdout] 16 -             |a, b| a.start.cmp(&b.start)
[INFO] [stdout] 17 -         );
[INFO] [stdout] 15 +         spans.sort_by_key(|a| a.start);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/ast/visitor.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 self.visit_while_statement(ast, &stmt);
[INFO] [stdout]    |                                                 ^^^^^ help: change this to: `stmt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/ast/visitor.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 self.visit_return_statement(ast, &stmt);
[INFO] [stdout]    |                                                  ^^^^^ help: change this to: `stmt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/ast/visitor.rs:111:44
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 self.visit_block_expr(ast, &block_expr, &expression);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: change this to: `block_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/ast/printer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.result.push_str(" ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push(' ')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/ast/printer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         self.result.push_str("
[INFO] [stdout] 25 | | ");
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] help: consider using `push` with a character literal
[INFO] [stdout]    |
[INFO] [stdout] 24 ~         self.result.push('
[INFO] [stdout] 25 ~ ');
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:258:57
[INFO] [stdout]     |
[INFO] [stdout] 258 |         self.expect_type(matrix.0, &left.ty, &left.span(&ast));
[INFO] [stdout]     |                                                         ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:260:59
[INFO] [stdout]     |
[INFO] [stdout] 260 |         self.expect_type(matrix.1, &right.ty, &right.span(&ast));
[INFO] [stdout]     |                                                           ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:276:63
[INFO] [stdout]     |
[INFO] [stdout] 276 |         self.expect_type(matrix.0, &operand.ty, &operand.span(&ast));
[INFO] [stdout]     |                                                               ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:286:61
[INFO] [stdout]     |
[INFO] [stdout] 286 |             diagnostics.borrow_mut().report_undeclared_type(&type_name);
[INFO] [stdout]     |                                                             ^^^^^^^^^^ help: change this to: `type_name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:319:115
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     self.expect_type(function.return_type.clone(), &return_expression.ty, &return_expression.span(&ast));
[INFO] [stdout]     |                                                                                                                   ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:330:69
[INFO] [stdout]     |
[INFO] [stdout] 330 |         self.expect_type(Type::Bool, &condition.ty, &condition.span(&ast));
[INFO] [stdout]     |                                                                     ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:357:91
[INFO] [stdout]     |
[INFO] [stdout] 357 |         self.expect_type(Type::Bool, &condition_expression.ty, &condition_expression.span(&ast));
[INFO] [stdout]     |                                                                                           ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:366:106
[INFO] [stdout]     |
[INFO] [stdout] 366 |             ty = self.expect_type(then_expression.ty.clone(), &else_expression.ty, &else_expression.span(&ast));
[INFO] [stdout]     |                                                                                                          ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:379:103
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 self.expect_type(ty.clone(), &initializer_expression.ty, &initializer_expression.span(&ast));
[INFO] [stdout]     |                                                                                                       ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:441:100
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 self.expect_type(variable.ty.clone(), &value_expression.ty, &value_expression.span(&ast));
[INFO] [stdout]     |                                                                                                    ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:484:53
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let ty = self.resolve_unary_expression(ast, &operand, &unary_expression.operator.kind);
[INFO] [stdout]     |                                                     ^^^^^^^^ help: change this to: `operand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:494:54
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let ty = self.resolve_binary_expression(ast, &left, &right, &binary_expression.operator.kind);
[INFO] [stdout]     |                                                      ^^^^^ help: change this to: `left`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:494:61
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let ty = self.resolve_binary_expression(ast, &left, &right, &binary_expression.operator.kind);
[INFO] [stdout]     |                                                             ^^^^^^ help: change this to: `right`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/compilation_unit.rs:546:12
[INFO] [stdout]     |
[INFO] [stdout] 546 |         if self.diagnostics_bag.borrow().diagnostics.len() > 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!self.diagnostics_bag.borrow().diagnostics.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/compilation_unit.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |         if diagnostics_binding.diagnostics.len() > 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!diagnostics_binding.diagnostics.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:571:17
[INFO] [stdout]     |
[INFO] [stdout] 571 |                 &text,
[INFO] [stdout]     |                 ^^^^^ help: change this to: `text`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]    --> src/ast/mod.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn visualize(&mut self) -> () {
[INFO] [stdout]     |                                ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]     = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]    --> src/ast/mod.rs:219:1
[INFO] [stdout]     |
[INFO] [stdout] 219 | / pub enum ItemKind {
[INFO] [stdout] 220 | |     Stmt(StmtId),
[INFO] [stdout]     | |     ------------ the second-largest variant contains at least 8 bytes
[INFO] [stdout] 221 | |     Function(FunctionDeclaration),
[INFO] [stdout]     | |     ----------------------------- the largest variant contains at least 296 bytes
[INFO] [stdout] 222 | | }
[INFO] [stdout]     | |_^ the entire enum is at least 296 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]     = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]     |
[INFO] [stdout] 221 -     Function(FunctionDeclaration),
[INFO] [stdout] 221 +     Function(Box<FunctionDeclaration>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/codegen/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.result.push_str(" ");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push(' ')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/codegen/mod.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         self.result.push_str("(");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push('(')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/ast/mod.rs:855:53
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     self.visit_while_statement(ast, &stmt);
[INFO] [stdout]     |                                                     ^^^^^ help: change this to: `stmt`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/ast/mod.rs:858:54
[INFO] [stdout]     |
[INFO] [stdout] 858 |                     self.visit_return_statement(ast, &stmt);
[INFO] [stdout]     |                                                      ^^^^^ help: change this to: `stmt`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/ast/mod.rs:907:48
[INFO] [stdout]     |
[INFO] [stdout] 907 |                     self.visit_block_expr(ast, &block_expr, &expression);
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: change this to: `block_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/diagnostics/printer.rs:39:70
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let (prefix, span, suffix) = self.get_text_spans(diagnostic, &line, column);
[INFO] [stdout]    |                                                                      ^^^^^ help: change this to: `line`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `str::repeat` using iterators
[INFO] [stdout]   --> src/diagnostics/printer.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let arrow_pointers = format!("{:indent$}{}", "", std::iter::repeat(
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 53 | |             '^'
[INFO] [stdout] 54 | |         ).take(
[INFO] [stdout] 55 | |             diagnostic.span.length()
[INFO] [stdout] 56 | |         ).collect::<String>(), indent = indent);
[INFO] [stdout]    | |_____________________________^ help: try: `"^".repeat(diagnostic.span.length())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_str_repeat
[INFO] [stdout]    = note: `#[warn(clippy::manual_str_repeat)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `repeat().take()` can be written more concisely
[INFO] [stdout]   --> src/diagnostics/printer.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let arrow_pointers = format!("{:indent$}{}", "", std::iter::repeat(
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 53 | |             '^'
[INFO] [stdout] 54 | |         ).take(
[INFO] [stdout] 55 | |             diagnostic.span.length()
[INFO] [stdout] 56 | |         ).collect::<String>(), indent = indent);
[INFO] [stdout]    | |_________^ help: consider using `repeat_n()` instead: `std::iter::repeat_n('^', diagnostic.span.length())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_repeat_n
[INFO] [stdout]    = note: `#[warn(clippy::manual_repeat_n)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/diagnostics/mod.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.report_error(format!("Cannot use 'return' outside of function"), token.span.clone());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Cannot use 'return' outside of function".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/diagnostics/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.report_error(format!("Cannot use 'rec' outside of function"), token.span.clone());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Cannot use 'rec' outside of function".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/text/span.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         spans.sort_by(
[INFO] [stdout] 16 | |             |a, b| a.start.cmp(&b.start)
[INFO] [stdout] 17 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 15 -         spans.sort_by(
[INFO] [stdout] 16 -             |a, b| a.start.cmp(&b.start)
[INFO] [stdout] 17 -         );
[INFO] [stdout] 15 +         spans.sort_by_key(|a| a.start);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:258:57
[INFO] [stdout]     |
[INFO] [stdout] 258 |         self.expect_type(matrix.0, &left.ty, &left.span(&ast));
[INFO] [stdout]     |                                                         ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:260:59
[INFO] [stdout]     |
[INFO] [stdout] 260 |         self.expect_type(matrix.1, &right.ty, &right.span(&ast));
[INFO] [stdout]     |                                                           ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:276:63
[INFO] [stdout]     |
[INFO] [stdout] 276 |         self.expect_type(matrix.0, &operand.ty, &operand.span(&ast));
[INFO] [stdout]     |                                                               ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:286:61
[INFO] [stdout]     |
[INFO] [stdout] 286 |             diagnostics.borrow_mut().report_undeclared_type(&type_name);
[INFO] [stdout]     |                                                             ^^^^^^^^^^ help: change this to: `type_name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:319:115
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     self.expect_type(function.return_type.clone(), &return_expression.ty, &return_expression.span(&ast));
[INFO] [stdout]     |                                                                                                                   ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:330:69
[INFO] [stdout]     |
[INFO] [stdout] 330 |         self.expect_type(Type::Bool, &condition.ty, &condition.span(&ast));
[INFO] [stdout]     |                                                                     ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:357:91
[INFO] [stdout]     |
[INFO] [stdout] 357 |         self.expect_type(Type::Bool, &condition_expression.ty, &condition_expression.span(&ast));
[INFO] [stdout]     |                                                                                           ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:366:106
[INFO] [stdout]     |
[INFO] [stdout] 366 |             ty = self.expect_type(then_expression.ty.clone(), &else_expression.ty, &else_expression.span(&ast));
[INFO] [stdout]     |                                                                                                          ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:379:103
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 self.expect_type(ty.clone(), &initializer_expression.ty, &initializer_expression.span(&ast));
[INFO] [stdout]     |                                                                                                       ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:441:100
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 self.expect_type(variable.ty.clone(), &value_expression.ty, &value_expression.span(&ast));
[INFO] [stdout]     |                                                                                                    ^^^^ help: change this to: `ast`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:484:53
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let ty = self.resolve_unary_expression(ast, &operand, &unary_expression.operator.kind);
[INFO] [stdout]     |                                                     ^^^^^^^^ help: change this to: `operand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:494:54
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let ty = self.resolve_binary_expression(ast, &left, &right, &binary_expression.operator.kind);
[INFO] [stdout]     |                                                      ^^^^^ help: change this to: `left`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:494:61
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let ty = self.resolve_binary_expression(ast, &left, &right, &binary_expression.operator.kind);
[INFO] [stdout]     |                                                             ^^^^^^ help: change this to: `right`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/compilation_unit.rs:546:12
[INFO] [stdout]     |
[INFO] [stdout] 546 |         if self.diagnostics_bag.borrow().diagnostics.len() > 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!self.diagnostics_bag.borrow().diagnostics.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/compilation_unit.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |         if diagnostics_binding.diagnostics.len() > 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!diagnostics_binding.diagnostics.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compilation_unit.rs:571:17
[INFO] [stdout]     |
[INFO] [stdout] 571 |                 &text,
[INFO] [stdout]     |                 ^^^^^ help: change this to: `text`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/codegen/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.result.push_str(" ");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push(' ')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/codegen/mod.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         self.result.push_str("(");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.result.push('(')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "125dc3d4166d6b8ca4010a2e2065c1ff35f53e86f7f0a7317bd069699087a3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125dc3d4166d6b8ca4010a2e2065c1ff35f53e86f7f0a7317bd069699087a3d5", kill_on_drop: false }`
[INFO] [stdout] 125dc3d4166d6b8ca4010a2e2065c1ff35f53e86f7f0a7317bd069699087a3d5